2420920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2087}}^1$

素因数の和:2127

約数の個数: 32

約数和(自身を含む): 5637600

約数和(自身を除く): 3216680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 2087, 4174, 8348, 10435, 16696, 20870, 41740, 60523, 83480, 121046, 242092, 302615, 484184, 605230, 1210460, 2420920]

約数ペア:

[(1, 2420920), (2, 1210460), (4, 605230), (5, 484184), (8, 302615), (10, 242092), (20, 121046), (29, 83480), (40, 60523), (58, 41740), (116, 20870), (145, 16696), (232, 10435), (290, 8348), (580, 4174), (1160, 2087)]